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Unlock your Oppo R819T


 Specification Oppo R819T 
 Root Oppo R819T 
 Firmware Oppo R819T 
 Developer Mode Oppo R819T 
 Bypass Lock Screen Oppo R819T 
 Oppo R819T Factory Reset 
 Bypass FRP Oppo R819T 
 Secret codes Oppo R819T 
 Screenshot Oppo R819T 

Oppo R819T


OS: Android 4.2.1 Jelly Bean

CPU: MediaTek MT6589, Processor clock: 1.20 GHz, Number of cores: 4, GPU: PowerVR SGX544 MP1 @286 MHz
RAM: 1 GB
Display: Color / IPS TFT, 16M colors, 720 x 1280 px (4.70") 312 ppi, ~65.6% screen-to-body ratio
Camera: 8 Mpx
Battery: Li-Ion 2000 mAh


1. Use the Tenorshare 4uKey for Android app.
2. Make a hard reset (factory reset).
3. How to use a low battery to unlock a phone locked with a graphic key.
4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
5. Restore access to your smartphone using your Google Account.

1. Use the Tenorshare 4uKey for Android app.
  • Connect your phone to PC and launch Tenorshare 4uKey for Android.
  • In the menu that appears on the PC screen, click Remove.
  • The program will warn you about deleting all data from the smartphone, to continue working, click OK.
  • Wait until the end of the operation, and put your smartphone into recovery mode according to the instructions on the computer screen.
  • Click the Next button, then follow the steps recommended by the program to restore the device to factory settings and reboot it. After rebooting the smartphone, the screen lock will be disabled.


2. Make a hard reset (factory reset)
  • To get started, turn off your smartphone.Simultaneously press and hold for about 10-15 seconds one of the button combinations:
    Volume down button + Power button;
    Volume up button + Power button;
    Volume down button + Power button + Home button;
    Volume down button + Volume up button + Power button.

  • Using the volume up/down buttons to navigate through the menu options, select Recovery and press the power button.
  • Select Wipe data/factory reset. using volume up/down buttons to navigate through the menu and confirm selection by pressing the power button.
  • Confirm the reset operation and reboot your smartphone


3. How to use a low battery to unlock a phone locked with a graphic key.
  • You need to wait until the battery of the phone is discharged.
  • When the battery has a few percent left, the phone will report this and open the menu with power settings, that is, it will unlock the phone.
  • You need to open the menu with security settings and turn off the phone lock.


4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
  • Turn off your phone and prepare a memory card.
  • Transfer the Aroma File Manager program using a computer to the phone's memory card. Insert the memory card back into the phone.
  • Using the combination of volume and power buttons, boot your smartphone into recovery mode.
  • In recovery mode, find the item Install zip. Then go to Install zip from sdcard -> Choose zip from sdcard, go to the archive folder with this program and select it.
  • You need to go to the /data/system folder and delete the files 'gesture.key' and 'password.key' (for the Android 4.4 or lower operating system) or 'getekeeper.password.key' and 'getekeeper.pattern. key' (for Android 5 operating system or higher)
  • Reboot your smartphone. The screen lock will be released.


5. Restore access to your smartphone using your Google Account.
  • After several unsuccessful attempts to unlock the phone, the message Forgot password? will appear. Click on it.
  • Choose to regain access by entering your Google Account login password.
  • Remove the screen lock from the settings.

Thomas Nilan
Smartphone Expert
Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.


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